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CCLP CSI Compressco

Filed: 30 Jul 21, 11:55am

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549

FORM 10-Q
 (Mark One)
QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the quarterly period ended June 30, 2021

TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
For the transition period from _____ to______
 
Commission File Number 001-35195 
CSI Compressco LP
(Exact name of registrant as specified in its charter)
Delaware94-3450907
(State or Other Jurisdiction of Incorporation or Organization)(I.R.S. Employer Identification No.)
 
24955 Interstate 45 North 
The Woodlands,
TX77380
(Address of Principal Executive Offices)(Zip Code)
 (281) 364-2244
(Registrant’s Telephone Number, Including Area Code)

_______________________________________________________________________
Former Name, Former Address and Former Fiscal Year, if Changed Since Last Report
Securities registered pursuant to Section 12(b) of the Act:
Title of each classTrading Symbol(s)Name of each exchange on which registered
COMMON UNITS REPRESENTING LIMITED
PARTNERSHIP INTERESTS
CCLPNASDAQ
Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days. Yes   No

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes   No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act.
Large accelerated filerAccelerated filer
Non-accelerated filerSmaller reporting company
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.
Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes   No
As of July 28, 2021, there were 47,971,240 Common Units outstanding.











CERTAIN REFERENCES IN THIS QUARTERLY REPORT
 
References in this Quarterly Report to “CSI Compressco,” “we,” “our,” “us,” “the Partnership” or like terms refer to CSI Compressco LP and its wholly owned subsidiaries. References to “CSI Compressco GP” or “our General Partner” refer to our general partner, CSI Compressco GP LLC. References to “Spartan” refer to Spartan Energy Partners LP and its controlled subsidiaries. References to “TETRA” refer to TETRA Technologies, Inc. and TETRA’s controlled subsidiaries, other than us.



PART I
FINANCIAL INFORMATION
 
Item 1. Financial Statements.
 
CSI Compressco LP
Consolidated Statements of Operations
(In Thousands, Except Unit and Per Unit Amounts)
(Unaudited)
Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Revenues:  
Compression and related services$55,329 $56,284 $109,568 $122,049 
Aftermarket services14,289 15,737 25,290 33,707 
Equipment sales140 749 610 2,449 
Total revenues69,758 72,770 135,468 158,205 
Cost of revenues (excluding depreciation and amortization expense): 
Cost of compression and related services26,597 25,395 53,023 57,003 
Cost of aftermarket services11,959 13,433 21,476 29,678 
Cost of equipment sales29 704 346 2,587 
Total cost of revenues38,585 39,532 74,845 89,268 
Depreciation and amortization18,997 19,880 37,527 39,550 
Impairments and other charges8,874 8,874 
Insurance recoveries(517)(517)
Selling, general, and administrative expense9,116 9,241 18,710 18,331 
Interest expense, net13,932 13,580 27,830 26,749 
Other (income) expense, net(97)4,403 227 4,843 
Loss before taxes and discontinued operations(10,775)(22,223)(23,671)(28,893)
Provision for income taxes1,019 961 2,526 1,157 
Loss from continuing operations(11,794)(23,184)$(26,197)$(30,050)
Loss from discontinued operations, net of tax(291)(1,394)$(353)$(8,158)
Net loss$(12,085)$(24,578)$(26,550)$(38,208)
General partner interest in net loss$(168)$(345)$(370)$(537)
Common units interest in net loss$(11,917)$(24,233)$(26,180)$(37,671)
 
Basic and diluted net loss per common unit:
Loss from continuing operations per common unit$(0.24)$(0.48)$(0.54)$(0.62)
Loss from discontinued operations per common unit(0.01)(0.03)$(0.01)$(0.17)
Net loss per common unit$(0.25)$(0.51)$(0.55)$(0.79)
Weighted average common units outstanding:
Basic47,971,240 47,333,256 47,848,240 47,254,516 
Diluted47,971,240 47,333,256 47,848,240 47,254,516 


See Notes to Consolidated Financial Statements
1

CSI Compressco LP
Consolidated Statements of Comprehensive Income (Loss)
(In Thousands)
(Unaudited)
 
Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
Net loss$(12,085)$(24,578)$(26,550)$(38,208)
Foreign currency translation adjustment, net of tax of $0 in 2021 and 202081 177 138 (176)
Comprehensive loss$(12,004)$(24,401)$(26,412)$(38,384)
 

See Notes to Consolidated Financial Statements
2

CSI Compressco LP
Consolidated Balance Sheets
(In Thousands, Except Unit Amounts)
June 30,
2021
December 31,
2020
 (Unaudited) 
ASSETS  
Current assets:  
Cash and cash equivalents$8,305 $16,577 
Trade accounts receivable, net of allowances for doubtful accounts of $1,040
as of June 30, 2021 and $1,333 as of December 31, 2020
52,173 43,837 
Inventories32,418 31,188 
Prepaid expenses and other current assets7,556 5,184 
Current assets associated with discontinued operations39 
Total current assets100,453 96,825 
Property, plant, and equipment:  
Land and building13,246 13,259 
Compressors and equipment989,475 975,375 
Vehicles7,611 7,692 
Construction in progress8,407 12,763 
Total property, plant, and equipment1,018,739 1,009,089 
Less accumulated depreciation(490,212)(457,688)
Net property, plant, and equipment528,527 551,401 
Other assets:  
Intangible assets, net of accumulated amortization of $32,192 as of
June 30, 2021 and $30,711 as of December 31, 2020
23,576 25,057 
Operating lease right-of-use assets28,730 32,637 
Deferred tax asset10 10 
Other assets3,710 4,036 
Total other assets56,026 61,740 
Total assets$685,006 $709,966 
LIABILITIES AND PARTNERS’ CAPITAL
 
Current liabilities: 
Accounts payable$20,382 $19,766 
Accrued liabilities and other36,705 36,070 
Amounts payable to affiliates3,274 3,234 
Current liabilities associated with discontinued operations164 345 
Total current liabilities60,525 59,415 
Other liabilities:  
Long-term debt, net641,471 638,631 
Deferred tax liabilities2,535 1,478 
Long-term affiliate payable11,296 
Operating lease liabilities20,529 24,059 
Other long-term liabilities558 11,716 
Total other liabilities676,389 675,884 
Commitments and contingencies
Partners’ capital:  
General partner interest(1,269)(885)
Common units (47,971,240 units issued and outstanding at June 30, 2021 and 47,352,291 units issued and outstanding at December 31, 2020)(36,384)(10,055)
Accumulated other comprehensive loss(14,255)(14,393)
Total partners’ capital(51,908)(25,333)
Total liabilities and partners’ capital$685,006 $709,966 
 
See Notes to Consolidated Financial Statements
3

CSI Compressco LP
Consolidated Statements of Partners’ Capital
(In Thousands)
(Unaudited)
Partners’ CapitalAccumulated Other Comprehensive Income (Loss)Total Partners’ Capital
 
General
Partner
Common
Unitholders
AmountUnitsAmount
Balance at December 31, 2020$(885)47,352$(10,055)$(14,393)$(25,333)
Net loss(202)— (14,263)(14,465)
Distributions ($0.01 per unit)(7)— (477)(484)
Equity compensation, net— 474 474 
Vesting of Phantom Units— 619 — — — 
Translation adjustment, net of taxes of $0— 57 57 
Acquisition of affiliate from TETRA— — (141)— (141)
Balance at March 31, 2021$(1,094)47,971 $(24,462)$(14,336)$(39,892)
Net loss(168)— (11,917)(12,085)
Distributions ($0.01 per unit)(7)— (480)(487)
Equity compensation, net— 475 475 
Vesting of Phantom Units— — — — 
Translation adjustment, net of taxes of $0— 81 81 
Balance at June 30, 2021$(1,269)47,971 $(36,384)$(14,255)$(51,908)
Partners’ CapitalAccumulated Other Comprehensive Income (Loss)Total Partners’ Capital
 
Limited Partners
General
Partner
Common
Unitholders
AmountUnitsAmount
Balance at December 31, 2019$180 47,079 $63,384 $(14,573)$48,991 
Net loss(192)— (13,438)— (13,630)
Distributions ($0.01 per unit)(7)— (471)— (478)
Equity compensation, net— — 229 — 229 
Vesting of Phantom Units— 213 — — — 
Translation adjustment, net of taxes of $0— — — (353)(353)
Balance at March 31, 2020$(19)47,292 $49,704 $(14,926)$34,759 
Net loss(345)— (24,233)— (24,578)
Distributions ($0.01 per unit)(7)— (473)— (480)
Equity compensation, net— — 452 — 452 
Vesting of Phantom Units— 52 — — — 
Translation adjustment, net of taxes of $0— — — 177 177 
Balance at June 30, 2020$(371)47,344 $25,450 $(14,749)$10,330 

See Notes to Consolidated Financial Statements
4

CSI Compressco LP
Consolidated Statements of Cash Flows
(In Thousands)
(Unaudited)
 Six Months Ended
June 30,
 20212020
Operating activities:  
Net loss$(26,550)$(38,208)
Reconciliation of net loss to cash provided by operating activities:  
Depreciation and amortization37,527 40,025 
Impairments and other charges14,348 
Provision for deferred income taxes1,007 409 
Insurance recoveries associated with damaged equipment(517)
Equity compensation expense1,310 812 
Provision for doubtful accounts46 593 
Amortization of deferred financing costs275 1,356 
Equipment received in lieu of cash725 
Debt exchange expenses4,755 
Other non-cash charges and credits(40)(157)
Gain on sale of property, plant, and equipment
(207)(443)
Changes in operating assets and liabilities: 
Accounts receivable(8,252)13,903 
Inventories(4,223)7,817 
Prepaid expenses and other current assets(2,642)(2,267)
Accounts payable and accrued expenses2,198 (24,566)
Other(521)(405)
Net cash provided by (used in) operating activities(72)18,180 
Investing activities: 
Purchases of property, plant, and equipment, net(10,232)(11,249)
Proceeds from sale of property, plant, and equipment383 3,641 
Insurance recoveries associated with damaged equipment517 
Acquisition of affiliate from TETRA, net of cash acquired420 
Advances and other investing activities(112)
Net cash used in investing activities(9,541)(7,091)
Financing activities: 
Proceeds from long-term debt4,916 271,831 
Payments of long-term debt(2,154)(273,853)
Distributions(971)(958)
Other financing activities(61)(2,207)
Payments to affiliate(356)(1,507)
Net cash used in financing activities1,374 (6,694)
Effect of exchange rate changes on cash
(33)(8)
Increase (decrease) in cash and cash equivalents and restricted cash(8,272)4,387 
Cash and cash equivalents at beginning of period16,577 2,370 
Cash and cash equivalents and restricted cash at end of period$8,305 $6,757 
Supplemental cash flow information: 
Interest paid$23,624 $29,083 
Income taxes paid$2,023 $644 
Decrease in accrued capital expenditures$208 $1,421 
Paid-in-kind interest$2,750 $

See Notes to Consolidated Financial Statements
5

CSI Compressco LP
Notes to Consolidated Financial Statements
(Unaudited)
 
NOTE 1 ORGANIZATION, BASIS OF PRESENTATION, AND SIGNIFICANT ACCOUNTING POLICIES
 
Organization

    CSI Compressco LP, a Delaware limited partnership, is a provider of compression services and equipment for natural gas and oil production, gathering, artificial lift, transmission, processing, and storage. We also provide aftermarket services and compressor package parts and components manufactured by third-party suppliers. We provide compression services and equipment to a broad base of natural gas and oil exploration and production, midstream, and transmission companies operating throughout many of the onshore producing regions of the United States as well as in a number of international locations, including the countries of Mexico, Canada, and Argentina. Previously, our equipment sales business included our new unit sales business that consisted of the fabrication and sale of new standard and custom-designed, engineered compressor packages fabricated primarily at our facility in Midland, Texas that were used to provide compression services or sold to our customers. In the fourth quarter of 2020, we fully exited the new unit sales business and we have reflected these operations as discontinued operations for all periods presented. See Note 2 – “Discontinued Operations.” Used equipment sales revenue continues to be included in equipment sales revenue. Unless the context requires otherwise, when we refer to “the Partnership,” “we,” “us,” and “our,” we are describing CSI Compressco LP and its wholly owned subsidiaries.

Presentation
 
Our unaudited consolidated financial statements include the accounts of our wholly owned subsidiaries. All intercompany balances and transactions have been eliminated. In the opinion of our management, our unaudited consolidated financial statements as of June 30, 2021, and for the three and six-month periods ended June 30, 2021 and 2020, include all normal recurring adjustments that are necessary to provide a fair statement of our results for these interim periods. Operating results for the three and six-month period ended June 30, 2021 are not necessarily indicative of results that may be expected for the twelve months ended December 31, 2021.

The accompanying unaudited consolidated financial statements have been prepared in accordance with Rule 10-01 of Regulation S-X for interim financial statements required to be filed with the U.S. Securities and Exchange Commission (“SEC”) and do not include all information and footnotes required by U.S. generally accepted accounting principles (“U.S. GAAP”) for complete financial statements. These financial statements should be read in conjunction with the financial statements for the year ended December 31, 2020 and notes thereto included in our Annual Report on Form 10-K, which we filed with the SEC on March 4, 2021.

Segments

Our General Partner has concluded that we operate in 1 business segment.

Significant Accounting Policies

    Our significant accounting policies are described in the notes to our consolidated financial statements for the year ended December 31, 2020 included in our Annual Report on Form 10-K. There have been no significant changes in our accounting policies or the application thereof during the three months ended June 30, 2021.

Use of Estimates
 
The preparation of financial statements in conformity with U.S. generally accepted accounting principles (“GAAP”) requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclose contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues, expenses, and impairments during the reporting period. Actual results could differ from those estimates, and such differences could be material.

6

Reclassifications

    Certain previously reported financial information has been reclassified to present our new unit sales business as discontinued operations. See Note 2 – “Discontinued Operations” for further information. In addition, certain previously reported financial information has been reclassified to conform to the current year’s presentation. Other than the discontinued operations presentation, the impact of reclassifications was not significant to the prior year's overall presentation. Unless otherwise noted, amounts and disclosures throughout these Notes to Consolidated Financial Statements relate solely to continuing operations and exclude all discontinued operations.

Cash Equivalents

We consider all highly liquid cash investments with maturities of three months or less when purchased to be cash equivalents.

Foreign Currencies
 
Accumulated other comprehensive income (loss) is included in partners’ capital in the accompanying consolidated balance sheets and consists of the cumulative currency translation adjustments associated with our international operations. Foreign currency exchange (gains) and losses are included in other (income) expense, net and totaled $(0.5) million and $(0.1) million during the three and six-month periods ended June 30, 2021, respectively, and $(0.3) million and $1.4 million during the three and six- month periods ended June 30, 2020, respectively.

Inventories
 
Inventories consist primarily of compressor package parts and supplies and work in process and are stated at the lower of cost or net realizable value. For parts and supplies, cost is determined using the weighted average cost method. The cost of work in progress is determined using the specific identification method.

Impairments and Other Charges

    Impairments of long-lived assets, including identified intangible assets, are determined periodically, when indicators of impairment are present. If such indicators are present, the determination of the amount of impairment is based on our judgments as to the future undiscounted operating cash flows to be generated from the relevant assets throughout their remaining estimated useful lives. If these undiscounted cash flows are less than the carrying amount of the related asset, an impairment is recognized for the excess of the carrying value over its fair value. Fair value of intangible assets is generally determined using the discounted present value of future cash flows using discount rates commensurate with the risks inherent with the specific assets. Assets held for disposal are recorded at the lower of carrying value or estimated fair value less estimated selling costs. There were no impairments attributed to continuing operations recorded during the three and six-month periods ended June 30, 2021 . See Note 4 - "Impairments and Other Charges" for additional discussion of recorded impairments during the three and six-month periods ended June 30, 2020.

Income Taxes

Our operations are not subject to U.S. federal income tax other than the operations that are conducted through taxable subsidiaries. We incur state and local income taxes in certain areas of the U.S. in which we conduct business. We incur income taxes and are subject to withholding requirements related to certain of our operations in Latin America, Canada, and other foreign countries in which we operate. Furthermore, we also incur Texas Margin Tax, which, in accordance with Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 740, is classified as an income tax for reporting purposes. A portion of the carrying value of certain deferred tax assets is subject to a valuation allowance.

Earnings Per Common Unit
 
Our computations of earnings per common unit are based on the weighted average number of common units outstanding during the applicable period. Basic earnings per common unit are determined by dividing net income (loss) allocated to the common units after deducting the amount allocated to our General Partner (including
7

any distributions to our General Partner on its incentive distribution rights) by the weighted average number of outstanding common units during the period.
 
When computing earnings per common unit under the two class method in periods when distributions are greater than earnings, the amount of the distribution is deducted from net income (loss) and the excess of distributions over earnings is allocated between the General Partner and common units based on how our Partnership Agreement allocates net losses.
 
Diluted earnings per common unit are computed using the treasury stock method, which considers the potential future issuance of limited partner common units. Unvested phantom units are not included in basic earnings per common unit, as they are not considered to be participating securities, but are included in the calculation of diluted earnings per common unit. For the three and six-month periods ended June 30, 2021 and June 30, 2020, all unvested phantom units were excluded from the calculation of diluted common units because the impact was anti-dilutive.

0Fair Value Measurements

    We utilize fair value measurements to account for certain items and account balances within our consolidated financial statements. Fair value measurements were utilized in the determination of the carrying value of our Series A Preferred Units (a Level 3 fair value measurement). We also utilize fair value measurements on a recurring basis in the accounting for our foreign currency forward purchase and sale derivative contracts. For these fair value measurements, we utilize the quoted value (a Level 2 fair value measurement). Refer to Note 8 –
“Fair Value Measurements” for further discussion.
Fair value measurements are also utilized on a nonrecurring basis, such as in the allocation of purchase consideration for acquisition transactions to the assets and liabilities acquired, including intangible assets (a Level 3 fair value measurement) and for the impairment of long-lived assets (a Level 3 fair value measurement).

Distributions

    On January 19, 2021, the board of directors of our General Partner declared a cash distribution attributable to the quarter ended December 31, 2020 of $0.01 per outstanding common unit. This distribution equates to a distribution of $0.04 per outstanding common unit on an annualized basis. This distribution was paid on February 12, 2021, to each of the holders of common units of record as of the close of business on January 29, 2021.

On April 19, 2021, the board of directors of our General Partner declared a cash distribution attributable to the quarter ended March 31, 2021 of $0.01 per outstanding common unit. This distribution equates to a distribution of $0.04 per outstanding common unit on an annualized basis. This distribution was paid on May 14, 2021 to each of the holders of common units of record as of the close of business on April 30, 2021.

New Accounting Pronouncements

Standards adopted in 2021

In December 2019, the FASB issued ASU 2019-12, “Income Taxes (Topic 740): Simplifying the Accounting for Income Taxes.” ASU 2019-12 simplifies the accounting for income taxes by eliminating certain exceptions related to intraperiod tax allocation, interim period income tax calculation methodology, and the recognition of deferred tax liabilities for outside basis differences. It also simplifies certain aspects of accounting for franchise taxes and clarifies the accounting for transactions that results in a step-up in the tax basis of goodwill. On January 1, 2021, we adopted ASU 2019-12. The adoption of this standard did not have a material impact on our consolidated financial statements.
     
Standards not yet adopted

    In June 2016, the FASB issued ASU 2016-13, “Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” ASU 2016-13 amends the impairment model to utilize an expected loss methodology in place of the currently used incurred loss methodology, which will result in the more timely recognition of losses on financial instruments not accounted for at fair value through net income. The
8

provisions require credit impairments to be measured over the contractual life of an asset and developed with consideration for past events, current conditions, and forecasts of future economic information. Credit impairments will be accounted for as an allowance for credit losses deducted from the amortized cost basis at each reporting date. Updates at each reporting date after initial adoption will be recorded through selling, general, and administrative expense. ASU 2016-13 will be effective for us in the first quarter of 2023. We continue to assess the potential effects of these changes to our consolidated financial statements.
    
    In March 2020, the FASB issued ASU 2020-04, “Reference Rate Reform (Topic 848)”, which provides optional expedients and exceptions for applying U.S. GAAP to contracts, hedging relationships, and other transactions affected by the discontinuation of the London Interbank Offered Rate (“LIBOR”) or by another reference rate expected to be discontinued. The amendments were effective for all entities as of March 12, 2020 through December 31, 2022. Entities may elect to apply the amendments for contract modifications as of any date from the beginning of an interim period that includes or is subsequent to March 12, 2020, or prospectively from a date within an interim period that includes or is subsequent to March 12, 2020. As of June 30, 2021, we have not modified our credit agreements to remove references to LIBOR. We are currently evaluating the impact of the provisions of ASU 2020-04 on our consolidated financial statements.

NOTE 2 — DISCONTINUED OPERATIONS

On July 2, 2020, we completed the sale of our Midland manufacturing facility. The Midland facility was used to design, fabricate and assemble new standard and customized compressor packages for our new unit sales business. In connection with the Midland manufacturing facility sale, we entered into an agreement with the buyer to continue to operate a portion of the facility, which allowed us to close out the remaining backlog for the new unit sales business and to continue to operate our aftermarket services business at that location for an interim period. Following completion of the last unit in October 2020, we ceased fabricating new compressor packages for sales to third parties or for our own service fleet. The operations associated with the new unit sales business were previously reported in equipment sales revenues and are now reflected as discontinued operations in our financial statements for all periods presented. Used equipment sales revenue continues to be included in equipment sales revenue. A summary of financial information related to our discontinued operations for the new unit sales business is as follows:

Reconciliation of the Line Items Constituting Pretax Loss from Discontinued Operations to the After-Tax Income (Loss) from Discontinued Operations
(in thousands)

Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
Revenue$$23,643 $$28,487 
Cost of revenues(13)23,711 28,528 
Depreciation, amortization, and accretion237 475 
Impairments of long-lived assets103 05,474 
General and administrative expense304 931 344 2,097 
Total pretax loss from discontinued operations(291)(1,339)(353)(8,087)
Income tax provision55 71 
Total loss from discontinued operations$(291)$(1,394)$(353)$(8,158)

9

Reconciliation of Major Classes of Assets and Liabilities of the Discontinued Operations to Amounts Presented Separately in the Statement of Financial Position
(in thousands)

June 30, 2021December 31, 2020
Carrying amounts of major classes of assets included as part of discontinued operations
Inventories$$32 
Other Current Assets
Current assets of discontinued operations$$39 
Carrying amounts of major classes of liabilities included as part of discontinued operations
Accrued liabilities$164 $345 
Current liabilities of discontinued operations$164 $345 
NOTE 3 — REVENUE FROM CONTRACTS WITH CUSTOMERS

    As of June 30, 2021, we had $43.7 million of remaining contractual performance obligations for compression services. As a practical expedient, this amount does not include revenue for compression service contracts whose original expected duration is less than twelve months and does not consider the effects of the time value of money. Expected revenue to be recognized in the future as of June 30, 2021 for completion of performance obligations of compression service contracts are as follows:
 2021202220232024ThereafterTotal
 (In Thousands)
Compression service contracts remaining performance obligations$20,926 $18,012 $4,571 $130 $14 $43,653 
    
    Our contract asset balances included in trade accounts receivable in our consolidated balance sheets, primarily associated with revenue accruals prior to invoicing, were $11.0 million and $6.8 million as of June 30, 2021 and December 31, 2020, respectively.

    The following table reflects the changes in unearned income in our consolidated balance sheets for the periods indicated:
Six Months Ended
June 30,
 20212020
 (In Thousands)
Unearned income, beginning of period$269 $283 
Additional unearned income398 4,345 
Revenue recognized(248)(1,472)
Unearned income, end of period$419 $3,156 

    Unearned income is included in accrued liabilities and other on the consolidated balance sheets. As of June 30, 2021 and December 31, 2020, contract costs were immaterial.

10

    Disaggregated revenue from contracts with customers by geography is as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
(In Thousands)
Compression and related services
United States$46,634 $49,032 $92,620 $106,307 
International8,695 7,252 16,948 15,742 
55,329 56,284 109,568 122,049 
Aftermarket services
United States13,451 15,427 24,264 32,712 
International838 310 1,026 995 
14,289 15,737 25,290 33,707 
Equipment sales
United States115 482 586 1,676 
International25 267 24 773 
140 749 610 2,449 
Total Revenue
United States60,200 64,941 117,470 140,695 
International9,558 7,829 17,998 17,510 
$69,758 $72,770 $135,468 $158,205 
NOTE 4 — IMPAIRMENTS AND OTHER CHARGES
During the second quarter of 2020, primarily as a result of continued negative impacts on our compression fleet associated with the COVID-19 pandemic and declines in oil and gas prices, we recorded impairments and other charges of approximately $9.0 million associated with non-core used compressor equipment that we had held for sale, the low horsepower class of our compression fleet, and field inventory for compression and related services. Fair value used to determine impairments was estimated based on a market approach. There were no such impairments in 2021.
NOTE 5 INVENTORIES

Components of inventories as of June 30, 2021 and December 31, 2020, are as follows: 
 June 30, 2021December 31, 2020
 (In Thousands)
Parts and supplies$29,314 $28,483 
Work in progress3,104 2,705 
Total inventories$32,418 $31,188 

Inventories consist primarily of compressor package parts and supplies. Work in progress inventories consist of work in progress for our aftermarket business that has not been invoiced.
NOTE 6 — LONG-TERM DEBT AND OTHER BORROWINGS

Long-term debt consists of the following:
Scheduled MaturityJune 30, 2021December 31, 2020
(In Thousands)
Credit Agreement (1)
June 29, 2023$$
7.25% Senior Notes (2)
August 15, 202280,220 80,001 
7.50% First Lien Notes (3)
April 2025399,658 399,655 
10.00%/10.75% Second Lien Notes (4)
April 2026161,593 158,975 
Total long-term debt$641,471 $638,631 

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(1)     Because there was no outstanding balance on the Credit Agreement, associated deferred financing costs of $0.5 million as of June 30, 2021 and $0.6 million as of December 31, 2020 were classified as other long-term assets on the accompanying consolidated balance sheet.
(2)     Net of the unamortized discount of $0.2 million as of June 30, 2021 and $0.3 million as of December 31, 2020 and unamortized deferred financing costs of $0.3 million as of June 30, 2021 and $0.4 million as of December 31, 2020.
(3)     Net of the unamortized deferred financing costs of $4.6 million as of June 30, 2021 and $5.2 million as of December 31, 2020, net of the unamortized discount of $0.2 million as of June 30, 2021 and $0.2 million as of December 31, 2020, and net of deferred restructuring gain of $4.5 million as of June 30, 2021 and $5.0 million as of December 31, 2020.
(4)     Net of the unamortized discount of $0.7 million as of June 30, 2021 and $0.7 million as of December 31, 2020, and net of unamortized deferred financing costs of $1.1 million as of June 30, 2021 and $1.2 million as of December 31, 2020, and net of deferred restructuring gain of $3.4 million as of June 30, 2021 and $3.7 million as of December 31, 2020.

    Our Credit Agreement and Senior Note agreements contain certain affirmative and negative covenants, including covenants that restrict the ability to pay dividends or other restricted payments. We are in compliance with all covenants of our credit and senior note agreements as of June 30, 2021.

    See Note 7 – “Related Party Transactions,” for a discussion of our amounts payable to affiliates and long-term affiliate payable to Spartan Energy Partners LP (“Spartan”).

Credit Agreement

    In June 2020, the Partnership amended the Loan and Security Agreement dated June 29, 2018 (as amended, restated, amended and restated, supplemented or otherwise modified from time to time, the “Credit Agreement”). The Credit Agreement provides for maximum revolving credit commitments of $35.0 million and includes a $5.0 million reserve, which results in reduced borrowing availability. The Credit Agreement includes a $25.0 million sublimit for letters of credit. Additionally, on January 29, 2021, the Partnership further amended the Credit Agreement to temporarily increase the size of the reserve to $10.0 million and also required that Spartan backstop all of the Partnership’s outstanding letters of credit. These temporary restrictions expired on April 30, 2021. On April 30, 2021, the required reserve on our Credit Agreement was reduced to $5.0 million and Spartan’s backstop for the Partnership’s outstanding letters of credits was released. As of June 30, 2021, we had 0 balance outstanding under the Credit Agreement and $2.1 million of letters of credit against our Credit Agreement. Subject to compliance with the covenants, borrowing base, and other provisions of the agreements that may limit borrowings under the Credit Agreement, we had availability of $17.1 million as of June 30, 2021.

Borrowings under the credit facility are subject to the applicable margin related to (i) LIBOR Rate Loans (as defined in the Credit Agreement) between 3.00% and 3.50% and (ii) Base Rate Loans (as defined in the Credit Agreement) between 2.00% and 2.50%. The commitment fee in respect of the unutilized commitments under the Credit Agreement is 0.50%.

Notes

We may from time to time seek to retire or purchase certain amounts of our outstanding senior notes through cash purchases, in open market purchases, privately negotiated transactions or otherwise. Such repurchases, if any, will depend on prevailing market conditions, our liquidity requirements, contractual restrictions and other factors.

7.25% Senior Notes due 2022

    As of June 30, 2021, our 7.25% Senior Notes due 2022 (the “Senior Notes”) had $80.2 million outstanding net of unamortized discounts and unamortized deferred financing costs. Interest on these notes is payable on February 15 and August 15 of each year. The Senior Notes are unsecured obligations, and are guaranteed on an unsecured basis by the Partnership’s subsidiaries that guarantee the Credit Agreement.

Our Senior Notes are jointly and severally, and fully and unconditionally, guaranteed by each of the Partnership’s domestic restricted subsidiaries (other than CSI Compressco Finance Inc. “Finance Corp”) that guarantee the Partnership’s other indebtedness (collectively, the "Guarantor Subsidiaries”). The Senior Notes indenture includes customary provisions for the release of the guarantees by the Guarantor Subsidiaries upon the occurrence of certain allowed events including the release of a guarantor under our revolving credit facility.

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7.50% First Lien Notes due 2025

As of June 30, 2021, our First Lien Notes had $399.7 million outstanding net of unamortized discounts, unamortized deferred financing costs and deferred restructuring gains. Interest on these notes is payable on April 1 and October 1 of each year. The First Lien Notes are secured by a first-priority security interest in substantially all of the Partnership’s and its subsidiaries assets, subject to certain permitted encumbrances and exceptions, and are guaranteed on a senior secured basis by each of the Partnership’s U.S. restricted subsidiaries (other than Finance Corp, certain immaterial subsidiaries and certain other excluded U.S. subsidiaries).

10.000%/10.750% Second Lien Notes due 2026

As of June 30, 2021, our Second Lien Notes had $161.6 million outstanding, net of unamortized discounts, unamortized deferred financing costs and deferred restructuring gains. Interest on the Second Lien Notes is payable on April 1 and October 1 of each year. The Second Lien Notes are secured by a second-priority security interest in substantially all of the Partnership’s and its subsidiaries assets, subject to certain permitted encumbrances and exceptions, and are guaranteed on a senior secured basis by each of the Partnership’s U.S. restricted subsidiaries (other than Finance Corp and certain other excluded U.S. subsidiaries). In connection with the payment of PIK Interest (as defined below), if any, in respect of the Second Lien Notes, the issuers will be entitled to increase the outstanding aggregate principal amount of the Second Lien Notes or issue additional notes (“PIK notes”) under the Second Lien Notes indenture on the same terms and conditions as the already outstanding Second Lien Notes. Interest will accrue at (1) the annual rate of 7.250% payable in cash, plus (2) at the election of the Issuers (made by delivering a notice to the Second Lien Trustee not less than five business days prior to the record date), the annual rate of (i) 2.750% payable in cash (together with the annual rate set forth in clause (1), the “Cash Interest Rate”) or (ii) 3.500% payable by increasing the principal amount of the outstanding Second Lien Notes or by issuing additional PIK notes, in each case rounding up to the nearest $1.00 (such increased principal amount or additional PIK notes, the “PIK Interest”).

The indentures governing our First Lien Notes and Second Lien Notes contain customary covenants restricting our ability and the ability of our restricted subsidiaries to: (i) pay distributions on, purchase, or redeem our common units, make certain investments and other restricted payments, or purchase or redeem any subordinated debt; (ii) incur or guarantee additional indebtedness or issue certain kinds of preferred equity securities; (iii) create or incur certain liens securing indebtedness; (iv) sell assets, including dispositions of the collateral securing our First Lien Notes and Second Lien Notes; (v) consolidate, merge, or transfer all or substantially all of our assets; (vi) enter into transactions with affiliates; and (vii) enter into agreements that restrict distributions or other payments from our restricted subsidiaries to us. Our Second Lien Notes indenture further restricts our ability to make distributions in respect of our common units in any amount exceeding $0.04 per common unit per year, unless such increased distribution is funded by proceeds from an equity offering. These covenants are subject to a number of important limitations and exceptions, including certain provisions permitting us, subject to the satisfaction of certain conditions, to transfer assets to certain of our unrestricted subsidiaries. The indentures also contain customary events of default and acceleration provisions relating to events of default, which provide that upon an event of default under the indentures, the Trustee or the holders of at least 25% in aggregate principal amount of the then outstanding First Lien Notes and Second Lien Notes may declare all of the First Lien Notes and Second Lien Notes to be due and payable immediately.

During the fourth quarter of 2020 and the second quarter of 2021, the Partnership elected to increase the principal amount outstanding through the issuance of PIK notes. As of June 30, 2021, our principal amount outstanding included $4.4 million of PIK notes.
NOTE 7 — RELATED PARTY TRANSACTIONS
 
On January 29, 2021, Spartan acquired from TETRA the Partnership’s General Partner, IDRs and 10.95 million common units in the Partnership (the “GP Sale”). The Partnership did not issue any common units or incur any debt as a result of the transaction. TETRA retained 5.2 million common units of the Partnership.

Omnibus Agreement
 
    Under the terms of the Omnibus Agreement, our General Partner provided all personnel and services reasonably necessary to manage our operations and conduct our business (other than in Mexico, Canada, and Argentina), and certain of TETRA’s Latin American-based subsidiaries provided personnel and services necessary for the conduct of certain of our Latin American-based businesses. In addition, under the Omnibus Agreement, TETRA provided certain corporate and general and administrative services as requested by our General Partner, including, without limitation, legal, accounting and financial reporting, treasury, insurance administration, claims
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processing and risk management, health, safety and environmental, information technology, human resources, credit, payroll, internal audit, and tax services. Pursuant to the Omnibus Agreement, we reimbursed our General Partner and TETRA for services they provide to us. Upon the closing of the GP Sale, the Omnibus Agreement terminated in accordance with its terms. Beginning in February 2021, we reimburse our General Partner under the terms of our partnership agreement for any expenses and expenditures incurred or payments made on our behalf, including, operating expenses related to our operations and for the provision of various general and administrative services for our benefit.

Transition Services Agreement

TETRA will continue to provide back-office support to the Partnership under a Transition Services Agreement for a period of time until the Partnership has completed a full separation from TETRA’s back-office support functions.

Spartan and General Partner Ownership

As of June 30, 2021, Spartan’s ownership interest in us was approximately 23%, with the common units held by the public representing an approximate 65% interest in us.

Other Sources of Financing

In February 2019, we entered into a transaction with TETRA whereby TETRA agreed to fund the construction of and purchase from us of up to $15.0 million of new compression services equipment and to subsequently lease the equipment back to us in exchange for a monthly rental fee. As of November 30, 2020, pursuant to this arrangement, $14.8 million had been funded by TETRA for the construction of new compressor services equipment and all compression units were completed and deployed under this agreement. In December 2020, TETRA sold these compressors and assigned the corresponding leases to Spartan. As of June 30, 2021, the financing obligation owed to Spartan was $10.6 million and is included in amounts payable to affiliates and long-term affiliate payable in our consolidated balance sheet as of June 30, 2021. The balances were included in accrued liabilities and other and other long-term liabilities in our consolidated balance sheet as of December 31, 2020. Imputed interest expense recognized for the three and six-month period ended June 30, 2021 was $0.6 million and $1.2 million, respectively .

Mexico Payroll Affiliate

In January 2021, the Partnership entered into an agreement to purchase a TETRA-owned entity, which administers payroll in Mexico, for consideration of approximately $0.4 million. The difference between the fair value of the affiliate and TETRA’s historic carrying value of the affiliates’ net assets was recorded as a capital distribution. The associated liability was paid in April 2021.
NOTE 8 — FAIR VALUE MEASUREMENTS

Fair value is defined by ASC Topic 820 as “the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date” within an entity’s principal market, if any. The principal market is the market in which the reporting entity would sell the asset or transfer the liability with the greatest volume and level of activity, regardless of whether it is the market in which the entity will ultimately transact for a particular asset or liability or if a different market is potentially more advantageous. Accordingly, this exit price concept may result in a fair value that may differ from the transaction price or market price of the asset or liability.

Under U.S. GAAP, the fair value hierarchy prioritizes inputs to valuation techniques used to measure fair value. Fair value measurements should maximize the use of observable inputs and minimize the use of unobservable inputs, where possible. Observable inputs are developed based on market data obtained from sources independent of the reporting entity. Unobservable inputs may be needed to measure fair value in situations where there is little or no market activity for the asset or liability at the measurement date and are developed based on the best information available in the circumstances, which could include the reporting entity’s own judgments about the assumptions market participants would utilize in pricing the asset or liability.
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Financial Instruments

Derivative Contracts

    We have currency exchange rate risk exposure related to transactions denominated in a foreign currency as well as to investments in certain of our international operations. We enter into 30-day foreign currency forward derivative contracts as part of a program designed to mitigate the currency exchange rate risk exposure on selected transactions of certain foreign subsidiaries. As of June 30, 2021, we had the following foreign currency derivative contract outstanding relating to a portion of our foreign operations:
Derivative contractsUS Dollar Notional AmountTraded Exchange RateSettlement Date
(In Thousands)
Forward sale Mexican peso$5,984 19.97July 2, 2021

Under a program designed to mitigate the currency exchange rate risk exposure on selected transactions of certain foreign subsidiaries, we may enter into similar derivative contracts from time to time. Although contracts pursuant to this program will serve as economic hedges of the cash flow of our currency exchange risk exposure, they will not be formally designated as hedge contracts or qualify for hedge accounting treatment. Accordingly, any change in the fair value of these derivative instruments during a period will be included in the determination of earnings for that period.

The fair values of our foreign currency derivative contracts are based on quoted market values (a Level 2 fair value measurement). None of our foreign currency derivative instruments contains credit risk related contingent features that would require us to post assets or collateral for contracts that are classified as liabilities. During the three and six-month periods ended June 30, 2021, we recognized $0.2 million and $0.1 million, respectively, of net (gains) losses associated with our foreign currency derivatives program. During the three and six-month periods ended June 30, 2020, we recognized $0.3 million and $(1.1) million, respectively, of net (gains) losses associated with our foreign currency derivatives programs. These amounts are included in other (income) expense, net, in the accompanying consolidated statement of operations.

Fair Value of Debt

    The fair value of our debt has been estimated in accordance with the accounting standard regarding fair value. The fair value of our fixed rate long-term debt is estimated based on recent trades for these notes. The carrying and fair value of our debt, excluding unamortized debt issuance costs, are as follows (in thousands):

June 30, 2021December 31, 2020
Carrying ValueFair ValueCarrying ValueFair Value
(In Thousands)
7.25% Senior Notes$80,722 $80,117 $80,722 $67,274 
7.50% First Lien Notes400,000 407,200 400,000 369,680 
10.000%/10.750% Second Lien Notes159,919 147,125 157,162 114,728 
$640,641 $634,442 $637,884 $551,682 

Other

The fair values of cash, accounts receivable, accounts payable, accrued liabilities and variable-rate long-term debt pursuant to our revolving credit facility approximate their carrying amounts due to the short-term nature of these items.
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NOTE 9 — INCOME TAXES
 
As a partnership, we are generally not subject to income taxes at the entity level because our income is included in the tax returns of our partners. Our operations are treated as a partnership for federal tax purposes with each partner being separately taxed on its share of taxable income. However, a portion of our business is conducted through taxable U.S. corporate subsidiaries. Accordingly, a U.S. federal and state income tax provision has been reflected in the accompanying statements of operations. Certain of our operations are located outside of the U.S., and the Partnership, through its foreign subsidiaries, is responsible for income taxes in these countries.

    Our effective tax rate for the six-month period ended June 30, 2021, was negative 10.7% primarily attributable to taxes in certain foreign jurisdictions and Texas gross margin taxes combined with losses generated in entities for which no related tax benefit has been recorded. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.
NOTE 10 — COMMITMENTS AND CONTINGENCIES
 
From time to time, we are involved in litigation relating to claims arising out of our operations in the normal course of business. While the outcome of any lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse effect on our financial condition, results of operations, or cash flows. 
NOTE 11 — SUBSEQUENT EVENTS
    
On July 19, 2021, the board of directors of our General Partner declared a cash distribution attributable to the quarter ended June 30, 2021 of $0.01 per outstanding common unit. This distribution equates to a distribution of $0.04 per outstanding common unit on an annualized basis. This distribution will be paid on August 13, 2021 to each of the holders of common units of record as of the close of business on July 30, 2021.

Business Overview
    
    We provide compression services for natural gas and oil production, gathering, artificial lift, production enhancement, transmission, processing, and storage. Our compression and related services business includes a fleet of approximately 4,900 compressor packages providing approximately 1.2 million in aggregate horsepower, utilizing a full spectrum of low-, medium-, and high-horsepower engines. Our aftermarket business provides compressor package overhaul, repair, engineering and design, reconfiguration and maintenance services, as well as the sale of compressor package parts and components manufactured by third-party suppliers. Our customers operate throughout many of the onshore producing regions of the United States, as well as Mexico, Canada and Argentina.
    
    Demand for our services is directly driven by the production of crude oil and associated natural gas from unconventional shale plays, natural gas production in conventional plays along with transmission of natural gas to and within sales pipelines. Our fleet of compressors, ranging from 20 to 2,500 horsepower per unit, allows us to provide our customers compression solutions ranging from low horsepower production enhancement needs at the wellhead through large horsepower at centralized gathering and gas lift facilities.

During 2020, macroeconomic uncertainty in the oil and natural gas industry drove steep declines in spending by oil and gas operators which led to a number of our units being released with some of our customers temporarily shutting in wells and requesting that compression units be placed on standby. Oil prices began to stabilize during the third and fourth quarters of 2020 and gained strength throughout the first half of 2021, reaching an average of $66 per barrel in the second quarter of 2021. This improvement in commodity prices has resulted in an increase in activity levels from our compression services and aftermarket services customers. Although customers remain focused on capital discipline, we continue to see gains in quote activity and awards. As the market environment evolves, competition for field employees may increase and inflationary pressures may drive costs higher. In addition, supply chain disruptions may impact the the availability of parts and supplies. We will continue to monitor these risks as the year progresses.
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    We have and will continue to evaluate the sale of assets, including our low-horsepower compression fleet. We can provide no assurance that we will consummate a future sale of our low-horsepower compression fleet or any other assets.

In 2020, we took an aggressive approach towards cost management to improve our financial performance and liquidity. We implemented temporary and permanent cost reductions, including reductions in capital expenditures, workforce and salaries. We also implemented furloughs, a reduction in the cash retainers for the directors of our general partner, the suspension of 401(k) matching contributions for our employees, targeted reduction in selling, general and administrative expenses, rationalization of our real estate facilities, and negotiated reductions in expenditures with many of our suppliers. In the current year, we continue to monitor our operations and proactively manage our expenses and our financial performance.

While we are not able to predict how long market disruptions resulting from the COVID-19 pandemic and diminished demand for oil will continue, or what impact they will ultimately have on our business, we saw activity levels increase in the second quarter of 2021. We are encouraged by improvements in oil and gas prices throughout the quarter and projections for demand recovery, driven by COVID-19 vaccinations as they are administered on a wider scale. However, the risk of additional strains of COVID-19, increases in the number of cases, that developed vaccines may not be successful in preventing COVID-19 or its spread or the potential outbreak of a new or mutated virus, and the possibility of future lockdowns makes any forecast for improvement uncertain. In addition, continued capital discipline throughout the energy sector may limit production growth when the economy recovers from the pandemic. Despite challenging market conditions, we will continue to maintain our commitment to safety and service quality for our customers.

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Results of Operations

On July 2, 2020, we completed the sale of our Midland manufacturing facility. The Midland facility was used to design, fabricate and assemble new standard and customized compressor packages for our new unit sales business. In connection with the Midland manufacturing facility sale, we entered into an agreement with the buyer to continue to operate a portion of the facility, which allowed us to close out the remaining backlog for the new unit sales business and to continue to operate our aftermarket services business at that location for an interim period. Following completion of the last unit in October 2020, we ceased fabricating new compressor packages for sales to third parties or for our own service fleet. The operations associated with the new unit sales business were previously reported in equipment sales revenues and are now reflected as discontinued operations in our financial statements for all periods presented.

Three months ended June 30, 2021 compared to three months ended June 30, 2020
Three Months Ended June 30,
 Period-to-Period ChangePercentage of Total RevenuesPeriod-to-Period Change
Consolidated Results of Operations202120202021 vs. 2020202120202021 vs. 2020
 (In Thousands)
Revenues:  
Compression and related services$55,329 $56,284 $(955)79.3 %77.3 %(1.7)%
Aftermarket services14,289 15,737 (1,448)20.5 %21.6 %(9.2)%
Equipment sales140 749 (609)0.2 %1.0 %(81.3)%
Total revenues69,758 72,770 (3,012)100.0 %100.0 %(4.1)%
Cost of revenues:   
Cost of compression and related services26,597 25,395 1,202 38.1 %34.9 %4.7 %
Cost of aftermarket services11,959 13,433 (1,474)17.1 %18.5 %(11.0)%
Cost of equipment sales29 704 (675)— %1.0 %(95.9)%
Total cost of revenues38,585 39,532 (947)55.3 %54.3 %(2.4)%
Depreciation and amortization18,997 19,880 (883)27.2 %27.3 %(4.4)%
Impairments and other charges— 8,874 (8,874)— %12.2 %(100.0)%
Insurance recoveries— (517)517 — %(0.7)%(100.0)%
Selling, general, and administrative expense9,116 9,241 (125)13.1 %12.7 %(1.4)%
Interest expense, net13,932 13,580 352 20.0 %18.7 %2.6 %
Other income (expense), net(97)4,403 (4,500)(0.1)%6.1 %(102.2)%
Loss before taxes and discontinued operations(10,775)(22,223)11,448 (15.4)%(30.5)%(51.5)%
Provision for income taxes1,019 961 58 1.5 %1.3 %6.0 %
Loss from continuing operations(11,794)(23,184)11,390 (16.9)%(31.9)%(49.1)%
Loss from discontinued operations, net of taxes(291)(1,394)1,103 (0.4)%(1.9)%(79.1)%
Net loss$(12,085)$(24,578)$12,493 (17.3)%(33.8)%(50.8)%
 
Revenues
 
    Compression and related services revenues decreased $1.0 million or 1.7%, in the current year quarter compared to the prior year quarter due to the COVID-19 pandemic’s impact on demand for oil and natural gas which had a significant effect on the demand for compression services. During the current quarter, with the stabilization of oil prices, most of the compressors which were placed on standby in the second quarter 2020 have been returned to service. The increase in revenue from compression fleet placed in service at full rates coming off standby rates was more than offset by the decrease in fleet utilization compared to the prior year period.

    Aftermarket services revenues decreased $1.4 million during the current year quarter compared to the prior year quarter due to decreased demand for aftermarket services as a result of the impact of the COVID-19 pandemic on the global economy including the energy sector.

    Equipment sales revenues decreased $0.6 million during the current year quarter compared to the prior year quarter due to a decrease in used unit sales.
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Cost of revenues
 
    Cost of compression and related services revenue increased 4.7% compared to the prior year quarter, partially due to compressors that came off of standby rates since since the prior year period. Compressors on standby rates have revenues but very low associated costs. In 2021, most of the compressors that were on standby rates have returned to service and associated costs of service have returned to normal levels. As activity levels increase, make-ready expenses associated with the redeployment of compressors have also increased. We expect these expenses to contribute to increased revenues in the second half of 2021. In addition, inflation also impacted certain cost categories in the second quarter of 2021.

Cost of aftermarket services and cost of equipment sales decreased during the current year quarter consistent with decreased revenues.

Depreciation and amortization
 
Depreciation and amortization expense consists primarily of the depreciation of compressor packages in our service fleet. In addition, it includes the depreciation of other operating equipment and facilities and the amortization of intangibles. Depreciation and amortization expense decreased compared to the prior year quarter primarily due to impairments recorded during 2020, reducing the cost basis for our compression fleet.

Impairments and other charges

During the prior year quarter, we recorded impairments and other charges of $9.0 million primarily on non-core used compressor equipment, the low-horsepower class of our compression fleet, and field inventory for compression and related services.

Selling, general, and administrative expense
 
Selling, general, and administrative expenses were consistent during the current year quarter compared to the prior year quarter.

Interest expense, net
 
Interest expense, net, increased $0.4 million compared to the prior year quarter primarily due to higher interest rates associated with our Second Lien Notes following the June 2020 debt exchange transaction.

Other (income) expense, net
 
Other (income) expense, net, was $0.1 million of income, net, during the current year quarter compared to $4.4 million of expense, net, during the prior year quarter. The decrease in other expense is primarily due to $4.8 million of fees associated primarily with the debt exchange transaction in the prior year period.

Provision for income taxes
 
As a partnership, we are generally not subject to income taxes at the entity level because our income is included in the tax returns of our partners. Our operations are treated as a partnership for federal tax purposes with each partner being separately taxed on its share of taxable income. However, a portion of our business is conducted through taxable U.S. corporate subsidiaries. Accordingly, a U.S. federal and state income tax provision has been reflected in the accompanying statements of operations. Certain of our operations are located outside of the U.S. and the Partnership, through its foreign subsidiaries, is responsible for income taxes in these countries.

Our effective tax rate for the current year quarter was negative 9.5% primarily attributable to taxes in certain foreign jurisdictions and Texas gross margin taxes, combined with losses generated in entities for which no related tax benefit has been recorded. Included in our deferred tax assets are net operating loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.

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Loss from discontinued operations, net of tax

Loss from discontinued operations, net of tax changed from a $1.4 million loss for the prior year quarter to a $0.3 million loss for current year quarter. The Partnership exited the new unit sales business during 2020, with final completions in October. The prior year loss includes $23.6 million of new unit sales revenues, offset by $23.7 million of costs of sales, $0.1 million of impairments and $0.9 million of selling, general, and administrative expenses.
Results of Operations

Six months ended June 30, 2021 compared to six months ended June 30, 2020.
Six Months Ended June 30,
 Period-to-Period ChangePercentage of Total RevenuesPeriod-to-Period Change
Consolidated Results of Operations202120202021 vs. 2020202120202021 vs. 2020
 (In Thousands)
Revenues: 
Compression and related services$109,568 $122,049 $(12,481)80.9 %77.1 %(10.2)%
Aftermarket services25,290 33,707 (8,417)18.7 %21.3 %(25.0)%
Equipment sales610 2,449 (1,839)0.5 %1.5 %(75.1)%
Total revenues135,468 158,205 (22,737)100.0 %100.0 %(14.4)%
Cost of revenues:    
Cost of compression and related services53,023 57,003 (3,980)39.1 %36.0 %(7.0)%
Cost of aftermarket services21,476 29,678 (8,202)15.9 %18.8 %(27.6)%
Cost of equipment sales346 2,587 (2,241)0.3 %1.6 %(86.6)%
Total cost of revenues74,845 89,268 (14,423)55.2 %56.4 %(16.2)%
Depreciation and amortization37,527 39,550 (2,023)27.7 %25.0 %(5.1)%
Impairments and other charges— 8,874 (8,874)— %5.6 %(100.0)%
Insurance recoveries— (517)517 — %(0.3)%(100.0)%
Selling, general, and administrative expense18,710 18,331 379 13.8 %11.6 %2.1 %
Interest expense, net27,830 26,749 1,081 20.5 %16.9 %4.0 %
Other income expense, net227 4,843 (4,616)0.2 %3.1 %(95.3)%
Loss before taxes and discontinued operations(23,671)(28,893)5,222 (17.5)%(18.3)%(18.1)%
Provision for income taxes2,526 1,157 1,369 1.9 %0.7 %118.3 %
Loss from continuing operations$(26,197)$(30,050)$3,853 (19.3)%(19.0)%(12.8)%
Loss from discontinued operations, net of taxes$(353)$(8,158)$7,805 (0.3)%(5.2)%(95.7)%
Net loss$(26,550)$(38,208)$11,658 (19.6)%(24.2)%(30.5)%

Revenues
 
    Compression and related services revenues decreased by $12.5 million, or 10.2%, in the current year period compared to the prior year period due to the COVID-19 pandemic’s impact on demand for oil and natural gas which continued to affect demand for compression services. In the second quarter of 2020, we experienced returned compressors, compressors placed on standby rates, and made some pricing concessions, all contributing to a decrease in revenues. With the recent stabilization of oil prices, most of the compressors previously placed on standby have now been returned to service, however, fleet utilization and pricing are still lower in the current year compared to 2020.

    Aftermarket services revenues decreased $8.4 million, or 25.0%, during the current year period compared to the prior year period resulting from decreased demand for parts and services as a result of the impact of the COVID-19 pandemic on the global economy including the energy sector.

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    Equipment sales revenues decreased $1.8 million, or 75.1%, during the current year period compared to the prior year period due to a decrease in used unit sales. In 2020, the Partnership increased efforts to sell non-core used compressors to shore up liquidity in anticipation of the market downturn.

Cost of revenues
 
    Cost of compression and related services decreased compared to the prior year period consistent with decreased revenues. Cost of compression and related services as a percentage of compression and related services revenues increased from 46.7% during the prior year period to 48.4% during the current year period. The increase was due to higher make-ready expenses in the current year which we expect will contribute to higher revenues in the second half of 2021, an increase in operating expenses resulting from a lower percentage of our fleet on standby rates compared to the prior year period, and due to certain cost categories impacted by inflation in the current year.

Cost of aftermarket services and cost of equipment sales decreased during the current year consistent with decreased revenues.

Depreciation and amortization
 
Depreciation and amortization expense consists primarily of the depreciation of compressor packages in our service fleet. In addition, it includes the depreciation of other operating equipment and facilities and the amortization of intangibles. Depreciation and amortization expense decreased compared to the prior year period primarily due to impairments recorded in 2020, reducing the cost basis for our compression fleet.

Impairments and other charges

    During the six-month period ended June 30, 2020, we recorded impairments and other charges of $9.0 million primarily on non-core used compressor equipment, the low-horsepower class of our compression fleet, and field inventory for compression and related services. There were no impairments recorded in the current year.

Selling, general, and administrative expense
 
Selling, general, and administrative expenses were consistent during the current year period compared to the prior year period.

Interest expense, net

Interest expense, net, increased $1.1 million compared to the prior year period due to higher interest rates associated with our Second Lien Notes following the June 2020 debt exchange transaction.
 
Other (income) expense, net
 
Other (income) expense, net, was $0.2 million of expense during the current year period, compared to $4.8 million of expense during the prior year period. The decrease in other expense is primarily due to $4.8 million of fees associated primarily with the debt exchange transaction in the prior year period.

Provision for income taxes
 
As a partnership, we are generally not subject to income taxes at the entity level because our income is included in the tax returns of our partners. Our operations are treated as a partnership for federal tax purposes with each partner being separately taxed on its share of taxable income. However, a portion of our business is conducted through taxable U.S. corporate subsidiaries. Accordingly, a U.S. federal and state income tax provision has been reflected in the accompanying statements of operations. Certain of our operations are located outside of the U.S. and the Partnership, through its foreign subsidiaries, is responsible for income taxes in these countries.

    Our effective tax rate for the six-month period ended June 30, 2021, was negative 10.7% primarily attributable to taxes in certain foreign jurisdictions and Texas gross margin taxes combined with losses generated in entities for which no related tax benefit has been recorded. Included in our deferred tax assets are net operating
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loss carryforwards and tax credits that are available to offset future income tax liabilities in the U.S. as well as in certain foreign jurisdictions.

Loss from discontinued operations, net of tax

Loss from discontinued operations, net of tax changed from an $8.2 million loss for the prior year quarter to a $0.4 million loss for the current year quarter. The Partnership exited the new unit sales business during 2020, with final deliveries made in October. The prior year loss includes $28.5 million of new unit sales revenues, offset by $28.5 million of costs of sales, $5.5 million of impairments and $2.1 million of selling, general, and administrative expenses.
How We Evaluate Our Operations
 
Operating Expenses. We use operating expenses as a performance measure for our business. We track our operating expenses using month-to-month, quarter-to-quarter, year-to-date, and year-to-year comparisons and as compared to budget. This analysis is useful in identifying adverse cost trends and allows us to investigate the cause of these trends and implement remedial measures if possible. The most significant portions of our operating expenses are for our field labor, repair and maintenance of our equipment, and for the fuel and other supplies consumed while providing our services. The costs of other materials consumed while performing our services, ad valorem taxes, other labor costs, truck maintenance, rent on storage facilities, vehicle leases and insurance expenses comprise the significant remainder of our operating expenses. Our operating expenses generally fluctuate with our level of activity.

Our labor costs consist primarily of wages and benefits for our field personnel, as well as expenses related to their training and safety. Additional information regarding our operating expenses for the three and six-month periods ended June 30, 2021, is provided within the Results of Operations sections above.

Adjusted EBITDA. We view Adjusted EBITDA as one of our primary management tools, and we track it on a monthly basis, both in dollars and as a percentage of revenues (typically compared to the prior month, prior year period, and to budget). We define Adjusted EBITDA as earnings before interest, taxes, depreciation and amortization, and before certain charges, including impairments, bad debt expense attributable to bankruptcy of customers, equity compensation, non-cash costs of compressors sold, gain on extinguishment of debt, write-off of unamortized financing costs, and excluding, severance and other non-recurring or unusual expenses or charges. Adjusted EBITDA is used as a supplemental financial measure by our management to:
assess our ability to generate available cash sufficient to make distributions to our common unitholders and general partner;
evaluate the financial performance of our assets without regard to financing methods, capital structure, or historical cost basis;
measure operating performance and return on capital as compared to those of our competitors; and
determine our ability to incur and service debt and fund capital expenditures.

The following table reconciles net income (loss) to Adjusted EBITDA for the periods indicated:
 
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Three Months Ended
June 30,
Six Months Ended
June 30,
 2021202020212020
 (In Thousands)
Net loss$(12,085)$(24,578)$(26,550)$(38,208)
Provision for income taxes1,019 961 2,526 1,157 
Depreciation and amortization18,997 19,880 37,527 39,550 
Impairments and other charges— 8,874 — 8,874 
Interest expense, net13,932 13,580 27,830 26,749 
Equity compensation477 488 1,310 812 
Debt exchange expenses— 4,755 — 4,755 
Prior year sales tax accrual adjustment367 0367 0
Manufacturing engine order cancellation charge300 0300 0
Severance— 1,084 114 1,356 
Non-cash cost of compressors sold78 631 438 2,440 
Provision for income taxes, depreciation, amortization and
impairments attributed to discontinued operations
— 395 — 6,020 
Other— 977 308 1,304 
Adjusted EBITDA$23,085 $27,047 $44,170 $54,809 
 
Free Cash Flow. We define Free Cash Flow as cash from operations less capital expenditures, net of sales proceeds. Management primarily uses this metric to assess our ability to retire debt, evaluate our capacity to further invest and grow, and measure our performance as compared to our peers. The following table reconciles cash provided by operations, net, to Free Cash Flow for the periods indicated:
Three Months Ended
June 30,
Six Months Ended
June 30,
2021202020212020
(In Thousands)(In Thousands)
Net cash (used in) provided by operating activities$(9,686)$4,823 $(72)$18,180 
Capital expenditures, net of sales proceeds(5,370)(1,125)(9,849)(7,608)
Free cash flow$(15,056)$3,698 $(9,921)$10,572 
    
Net cash used in operating activities for the three months ended June 30, 2021 includes $7.9 million of revenues in excess of cash expenses and decreases of $17.6 million in working capital changes. Net cash used in operating activities for the six months ended June 30, 2021 includes $13.4 million of revenues in excess of cash expenses and decreases of $13.4 million in working capital changes.

Adjusted EBITDA and Free Cash Flow are financial measures that are not in accordance with U.S. GAAP and should not be considered an alternative to net income, operating income, cash from operating activities, or any other measure of financial performance presented in accordance with U.S. GAAP. These measures may not be comparable to similarly titled financial metrics of other entities, as other entities may not calculate Adjusted EBITDA or Free Cash Flow in the same manner as we do. Management compensates for the limitations of Adjusted EBITDA and Free Cash Flow as analytical tools by reviewing the comparable U.S. GAAP measures, understanding the differences between the measures, and incorporating this knowledge into management’s decision-making processes. Adjusted EBITDA and Free Cash Flow should not be viewed as indicative of the actual amount of cash we have available for distributions or that we plan to distribute for a given period, nor should it be equated with “available cash” as defined in our partnership agreement.

    Horsepower Utilization Rate of our Compressor Packages. We measure the horsepower utilization rate across our fleet of compressor packages as the amount of horsepower of compressor packages used to provide services as of a particular date, divided by the amount of horsepower of compressor packages in our services fleet as of such date. Management primarily uses this metric to determine our future need for additional compressor packages for our service fleet and to measure marketing effectiveness.
 
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The following table sets forth the total horsepower in our compression fleet, our total horsepower in service, and our horsepower utilization rate by each horsepower class of our compression fleet as of the dates shown.
June 30,
 20212020
Horsepower
Total horsepower in fleet1,181,485 1,178,721 
Total horsepower in service908,614 967,505 
Horsepower utilization
Low-horsepower (0-100)56.4 %63.6 %
Medium-horsepower (101-1,000)77.2 %79.4 %
High-horsepower (1,001 and over)81.3 %88.2 %
Total horsepower utilization rate76.9 %82.1 %

The total horsepower utilization rate and the utilization rate by each horsepower class decreased this quarter compared to the prior year period due to significantly lower customer activity levels. This was driven by a low commodity price environment for oil and gas driven by the COVID-19 pandemic and reduced investment in the energy sector.
Net Increases/Decreases in Compression Fleet Horsepower. We measure the net increase (or decrease) in our compression fleet horsepower during a given period by taking the difference between the aggregate horsepower of compressor packages added to the fleet during the period, less the aggregate horsepower of compressor packages removed from the fleet during the period. We measure the net increase (or decrease) in our compression fleet horsepower in service during a given period by taking the difference between the aggregate horsepower of compressor packages placed into service during the period, less the aggregate horsepower of compressor packages removed from service during the period.
Liquidity and Capital Resources
 
Our primary cash requirements are for distributions, working capital requirements, debt service, normal operating expenses, and capital expenditures. Our potential sources of funds are our existing cash balances, cash generated from our operations, potential asset sales, and long-term and short-term borrowings, which we believe will be sufficient to meet our working capital and growth capital requirements during 2021. Although oil and natural gas prices have recovered in the last half of 2020 and the first half of 2021 from their lows in the first half of 2020, the outlook for the remainder of 2021 is uncertain. If oil and natural gas prices decrease from current levels, our businesses could be further negatively impacted. Despite these challenges, we remain committed to a long-term growth strategy. Our near-term focus is to maintain our compression fleet, while continuing to preserve and enhance liquidity through strategic operating and financial measures. We periodically evaluate engaging in strategic transactions and may consider divesting assets where our evaluation suggests such transactions are in the best interests of our business. We are subject to business and operational risks that could materially adversely affect our cash flows and together with risks associated with current debt and equity market conditions, our ability or desire to issue such securities. Please read Part I, Item 1A “Risk Factors” included in our 2020 Annual Report.
 
Capital expenditures in 2021 are expected to range from $45.0 million to $50.0 million. These capital expenditures include approximately $20.0 million to $22.0 million of maintenance capital expenditures and approximately $21.0 million to $23.0 million of capital expenditures primarily associated with the expansion of our large horsepower compression services fleet and $4.0 million to $5.0 million of capital expenditures related to investments in technology, primarily software and systems. The foregoing estimates are based on assumptions regarding our assessment of the oil and gas market.

    On July 19, 2021, the board of directors of our General Partner declared a cash distribution attributable to the quarter ended June 30, 2021 of $0.01 per outstanding common unit. This distribution equates to a distribution of $0.04 per outstanding common unit on an annualized basis. This quarterly distribution will be paid on August 13, 2021 to each of the holders of common units of record as of the close of business on July 30, 2021.
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Cash Flows

A summary of our sources (uses) of cash during the six months ended June 30, 2021 and 2020 is as follows:
Six Months Ended June 30,
(In Thousands)
20212020
Operating activities$(72)$18,180 
Investing activities(9,541)(7,091)
Financing activities1,374 (6,694)

Operating Activities
 
Net cash used in operating activities decreased by $18.3 million compared to the prior year period. Our cash provided from operating activities is primarily generated from the provision of compression and related services and, for the prior year, the sale of new compressor packages. The decrease in cash provided by operating activities was primarily due to a decrease in revenue in addition to changes in working capital.

Cash provided from our foreign operations is subject to various uncertainties, including the volatility associated with interruptions caused by customer budgetary decisions, uncertainties regarding the renewal of our existing customer contracts and other changes in contract arrangements, the timing of collection of our receivables, and the repatriation of cash generated by our international operations.

Investing Activities
 
Capital expenditures during the six months ended June 30, 2021, decreased by $1.0 million compared to the same period in 2020, as we adjusted to current market conditions. Maintenance capital expenditures decreased during the six months ended June 30, 2021 compared to the prior year period. The cost of fleet compression units sold was $0.4 million. Total capital expenditures for the current period include $7.1 million of maintenance capital expenditures.

The level of growth capital expenditures depends on our ability to redeploy existing fleet equipment and demand for compression services. If the demand for compression services increases or decreases, the amount of planned expenditures on growth and expansion will be adjusted. We continue to review all capital expenditure plans carefully in an effort to conserve cash and fund our liquidity needs.

Financing Activities

Distributions

During the six months ended June 30, 2021, we distributed $1.0 million of cash distributions to our common unitholders and General Partner.
    
Long-Term Debt

Our Credit Agreement provides for maximum credit commitments of $35.0 million and includes a $5.0 million reserve which results in reduced borrowing availability. As of June 30, 2021, we had no balance outstanding under the Credit Agreement and $2.1 million in letters of credit against our Credit Agreement resulting in $17.1 million available to borrow. As of July 28, 2021, we had no balance outstanding under our Credit Agreement and $2.1 million in letters of credit, resulting in $15.7 million of availability.

See Note 6 – “Long-Term Debt” in the Notes to Consolidated Financial Statements in this Quarterly Report for further information regarding our 7.25% Senior Notes due 2022, 7.50% First Lien Notes due 2025 and 10.000%/10.750% Second Lien Notes due 2026.

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Leases

We have operating leases for some of our office space, warehouse space, operating locations, and machinery and equipment. Our leases have remaining lease terms ranging from 1 to 10 years. Some of our leases have options to extend for various periods, while some have termination options with prior notice of generally 30 days or six months.

Other Financing

In February 2019, we entered into an arrangement with TETRA under which a subsidiary of TETRA entered into an agreement with one of our subsidiaries for the purchase of up to $15.0 million of compression services equipment and to subsequently lease the equipment back to us in exchange for monthly rental fees. Pursuant to this arrangement, $14.8 million had been funded by TETRA through November 30, 2020 for the construction of new compressor services equipment and all compression units were completed and deployed under this agreement. There is no additional future funding expected related to this arrangement. In December 2020, TETRA sold these compressors and assigned the corresponding leases to Spartan.

Off Balance Sheet Arrangements
 
As of June 30, 2021, we had no “off balance sheet arrangements” that may have a current or future material effect on our consolidated financial condition or results of operations.
Critical Accounting Policies and Estimates
 
There have been no material changes or developments in the evaluation of the accounting estimates and the underlying assumptions or methodologies pertaining to our Critical Accounting Policies and Estimates disclosed in our 2020 Annual Report. In preparing our consolidated financial statements, we make assumptions, estimates, and judgments that affect the amounts reported. These judgments and estimates may change as new events occur, as new information is acquired, and as changes in our operating environments are encountered. Actual results are likely to differ from our current estimates, and those differences may be material.

For a discussion of new accounting pronouncements that may affect our consolidated financial statements, see Note 1 – “Organization, Basis of Presentation, and Summary of Significant Accounting Policies, New Accounting Pronouncements,” in the Notes to Consolidated Financial Statements in this Quarterly Report.
Commitments and Contingencies
 
From time to time, we are involved in litigation relating to claims arising out of our operations in the normal course of business. While the outcome of these lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse effect on our financial condition, results of operations, or cash flows.
Cautionary Statement for Purposes of Forward-Looking Statements

This Quarterly Report on Form 10-Q contains “forward-looking statements” and information based on our beliefs and those of our general partner. Forward-looking statements in this Quarterly Report are identifiable by the use of the following words, the negative of such words, and other similar words: “anticipates”, “assumes”, “believes”, “could”, “estimates”, “expects”, “forecasts”, “goal”, “intends”, “may”, “might”, “plans”, “predicts”, “projects”, “seeks”, “should, “targets”, “will” and “would”.

    Management believes that these forward-looking statements are reasonable as and when made. However, caution should be taken not to place undue reliance on any such forward-looking statements because such statements speak only as of the date when made. We undertake no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise, except as required by law. In addition, forward-looking statements are subject to certain risks and uncertainties that could cause actual results to differ materially from our historical experience and our present expectations or projections. These risks and uncertainties include, but are not limited to, those described in Part II, “Item 1A. Risk Factors” and elsewhere in this report and in our 2020 Annual Report, and those described from time to time in our future reports filed with the SEC.
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Item 3. Quantitative and Qualitative Disclosures About Market Risk.

Not Applicable.
Item 4. Controls and Procedures.
 
    Under the supervision and with the participation of our management, including the Principal Executive Officer and Principal Financial Officer of our general partner, we conducted an evaluation of our disclosure controls and procedures, as such term is defined under Rules 13a-15(e) and 15d-15(e) promulgated under the Exchange Act, as of the quarter ended June 30, 2021. Based on this evaluation, the Principal Executive Officer and Principal Financial Officer of our general partner concluded that our disclosure controls and procedures were effective as of June 30, 2021, the end of the period covered by this Quarterly Report.
There were no changes in the internal control over financial reporting that occurred during the quarter ended June 30, 2021 that have materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.


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PART II
OTHER INFORMATION
Item 1. Legal Proceedings.
 
From time to time, we are involved in litigation relating to claims arising out of our operations in the normal course of business. While the outcome of these lawsuits or other proceedings against us cannot be predicted with certainty, management does not consider it reasonably possible that a loss resulting from such lawsuits or proceedings in excess of any amounts accrued has been incurred that is expected to have a material adverse effect on our financial condition, results of operations, or cash flows.
Item 1A. Risk Factors.

There have been no material changes in the information pertaining to our Risk Factors as disclosed in our 2020 Annual Report.    
Item 2. Unregistered Sales of Equity Securities and Use of Proceeds.
 
(a) None.
 
(b)  None.
 
(c) Purchases of Equity Securities by the Issuer and Affiliated Purchasers.
PeriodTotal Number
of Units Purchased
Average
Price
Paid per Unit
Total Number of Units Purchased as Part of Publicly Announced Plans or ProgramsMaximum Number (or Approximate Dollar Value) of Units that May Yet be Purchased Under the Publicly Announced
Plans or Programs
April 1 – April 30, 2021— $— N/AN/A
May 1 – May 31, 2021— — N/AN/A
June 1 – June 30, 2021— — N/AN/A
Total—  N/AN/A
Item 3. Defaults Upon Senior Securities.
 
None.
Item 4. Mine Safety Disclosures.
 
None.
Item 5. Other Information.
 
    None.
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Item 6. Exhibits.
 
Exhibits: 
31.1*
31.2*
32.1**
32.2**
101.SCH+
XBRL Taxonomy Extension Schema Document
101.CAL+XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF+XBRL Taxonomy Extension Definition Linkbase Document
101.LAB+XBRL Taxonomy Extension Label Linkbase Document
101.PRE+XBRL Taxonomy Extension Presentation Linkbase Document
104*Cover Page Interactive Data File - the cover page interactive data file does not appear in the Interactive Data File because its XBRL tags are embedded within the Inline XBRL document
*    Filed with this report.
**    Furnished with this report.
+    Attached as Exhibit 101 to this report are the following documents formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Statements of Operations for the three and six-month periods ended June 30, 2021 and 2020; (ii) Consolidated Statements of Comprehensive Income for the three and six-month periods ended June 30, 2021 and 2020; (iii) Consolidated Balance Sheets as of June 30, 2021 and December 31, 2020; (iv) Consolidated Statement of Partners’ Capital for the six-month periods ended June 30, 2021 and 2020; (v) Consolidated Statements of Cash Flows for the six-month periods ended June 30, 2021 and 2020; and (iv) Notes to Consolidated Financial Statements for the six months ended June 30, 2021.

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SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized.

 
 
CSI COMPRESSCO LP
 
 By:CSI Compressco GP LLC,
  
its General Partner
   
 
Date:July 30, 2021By:/s/John E. Jackson
  John E. Jackson
Chief Executive Officer
  Principal Executive Officer
   
Date:July 30, 2021By:/s/Jonathan W. Byers
  Jonathan W. Byers
  Chief Financial Officer
  Principal Financial Officer
Date:July 30, 2021By:/s/Michael E. Moscoso
 Michael E. Moscoso
 Vice President - Finance
 Principal Accounting Officer
  
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